NDB

Question 1

Operation frequ3ncy

Answer 1

190-1750 khz. (LF and MF)

~locator beacons have a range of 10-25 nm
~ndb normally is approx 50nm

Question 2

Cone of confusion

Question 3

Range

Answer 3

~power of the transmitter limits range
~to double range,power must be quadruplied

~range (over land) NM= 2 square root(transmission power in watts)
~range (over water) NM= 3 square root(transmission power )

Question 4

Range and propargation

Answer 4

To find the power required with a new distance
~double the range ratio x power out put

Question 5

Errors and accuracy

Answer 5

~coastal refraction ,when

Question 6

Transmission idenfication

Answer 6

NDBs emit an N0N/A1A or N0N /A2A signal
A beat frequency oscillator is required

Question 7

Monitoring accuracy

Answer 7

Required ti fly +/- 5 degree be considered during approach

Question 8

Error

Answer 8

~coastal refrection ,when radio waves cross the coast ,wave bends due to change in propreggresion

Question 9

Mountain effect

Answer 9

Diffraction